[klibc] vfork support: need help on arm, parisc, s390

Heiko Carstens heiko.carstens at de.ibm.com
Thu Jun 1 00:08:57 PDT 2006

On Wed, May 31, 2006 at 12:00:02AM -0700, H. Peter Anvin wrote:
> Hello all,
> I really want to support vfork() in klibc, mostly because uClinux *has*
> to use it.  Unfortunately vfork() isn't allowed to use the stack *at all*
> across the system call -- including return address -- which 
> means it needs an assembly wrapper on most architectures.
> I have tried implementing wrappers for most architectures, but I don't
> know parisc or s390/s390x well enough, and both architectures do seem to
> need it.

Will have a look at s390/s390x but might take a few days since I'm busy
with other stuff right now...

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